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China seamless carbon steel cold drawn honed tube
- 5000 Metric Ton / Metric Tons per Month
- Qingdao
- T/T Credit Card
- ASTM A53 Cold Drawn Cylinder BKS Carbon Steel Honed Tube
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- JIS G3445 STKM13C Cold Drawn BKS Honed Hydraulic Tube
- 6 meter length non-alloy cold drawn hydraulic cylinder honed tubes
- ST52 hydraulic cold rolled cylinder honed tube manufacturers
- Aisi standard 1045 1020 honed cold rolled steel tubes
Product Details
Place of Origin: | Shandong, China | Thickness: | 2, 30 |
Application: | Hydraulic Pipe | Technique: | Cold Drawn |
Alloy Or Not: | Non-alloy | ||
Secondary Or Not: | Non-secondary | Section Shape: | Round |
Product Description
Commodity name: China seamless carbon steel cold drawn honed tube
En stanard SRB Honed Cold finished Hydraulic steel tube made in china is a kind of after cold rolling processing of a kind of high precison steel tube, full name cold rolled precision seamless steel tube. Precision seamless steel tube wall inside and outside the precision seamless steel pipe seamless steel pipe without oxidation layars, under high pressure without lea, high precision, high finish, cold bending deformation, flaring, flattening without cracks,etc, it is mainly used to produce pneumatic or hydraulic components products, such as a cylinder or cylinder, are made seamless tube. the chemical composition of precision seamless steel tube with carbon sulfur C,Si, Mn, S, P, Cr.
The difference between precision steel pipe and seamless pipe:
1. the seamless steel tube with obvioue difference is that dimensional accuracy, can be up to 0.1mm.
2. high precision steel pipe diameter surface finish, the customer without processing can be used directly and ordinary seamless steel tube to the customer and lather, polishing processing.
Features:
hydraulic cylinder tube st52 din2391 inside and outside the wall without oxidation layer, under high pressure, no leakage, high precision, high finish, cold bending deformation, flaring, flattening without cracks, surface rust proffing
1. The smaller outer diameter
2. High precision to do small batch production
3. Cold drawn finished products of high precision, good surface quality
4.The steel pipe transverse area is more complex
5. Steel pipe is superior performance, dense metal
Specifiation:
Standard | DIN2391, DIN2445, EN10305, GB/T 3639, GB 8713 |
Grade | ST35(E235), ST37, ST24(E255), ST52(E355), 10#, 20#, 35#, 45# |
O.D. | 30MM-400MM |
W.T. | 2-30mm |
Surface Treatment | Polished , cold drawn , cold rolled, honed, anneal, Srb , od polished |
Packing | 1. bundle packing 2. marking as per customer's requests 3. paint on the pipe as per customer request 4. pipe caps as customer request |
Condirion of Delivery | 1. NBK(+N) after cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium 2. GBK(+A) after cold forming, annealing in non oxidizing medium protective gas 3. BK(+C) the final heat treatment after cold forming, threfore small steel pipe plasticly, the plasticly degree does not guarantee 4. BKW(+LC) after final heat treatment, a tiny cold drawing deformation, continue again when machining steel pipe allowed inside certain limits cold deformation(bending, flaring) 5. BKS(+SR) have a stress relief after cold forming, heat treatment, steel pipe can be carried out within a certain limit in the appropriate processing again |
Size ID*OD (mm) length can be fixed biggest 6M | |||
40*50 | 90*110 | 140*170 | 190*215 |
40*55 | 95*110 | 145*170 | 190*220 |
50*60 | 95*115 | 150*170 | 190*225 |
50*65 | 100*110 | 150*175 | 200*220 |
55*70 | 100*114 | 150*180 | 200*225 |
60*70 | 100*115 | 155*180 | 200*230 |
60*75 | 100*120 | 160*175 | 200*245 |
60*78 | 100*125 | 160*180 | 200*250 |
63*73 | 105*125 | 160*185 | 220*250 |
63*75 | 110*125 | 160*190 | 220*270 |
63*76 | 110*130 | 160*195 | 225*250 |
63*78 | 115*130 | 165*190 | 240*273 |
65*80 | 115*135 | 165*205 | 250*290 |
70*80 | 120*140 | 170*200 | 250*300 |
70*82 | 125*140 | 180*200 | 200*213 |
70*85 | 125*145 | 180*205 | 200*216 |
70*90 | 125*150 | 180*210 | 250*266 |
75*90 | 130*150 | 180*215 | 60*45 |
80*92 | 130*155 | 180*220 | 70*57 |
80*95 | 130*160 | 185*205 | 90*80 |
80*100 | 135*160 | 185*215 | 102*90 |
85*100 | 140*160 | 185*220 | 50*40 |
90*105 | 140*165 | 190*210 | 55*40 |
Variety
Processing | Cylinder Diameter | Straightness | Size Accuracy | W.T/mm | Inner Bore Roughess |
Cold drawn | ID30-250 | 0.3 | H9-H11 | ±10% | 0.4~1.6um |
Honed tube | ID50-250 | 0.3 | H7-H9 | ±10% | <0.4um |
Mechanics performance
Material | Tensile strength | Yield strength | Elongation | Hardness |
Ck20/20#/AISI1020 | >520 N/ mm2 | >375 N/mm2 | >15% | >85HB |
Ck45/45#/AISI1045 | >600 N/ mm2 | >520 N/ mm2 | >15% | >85HB |
ST52/16Mn/Q345D | >600 N/ mm2 | >520 N/ mm2 | >15% | >85HB |
25Mn/STKM 13C-T | >600 N/ mm2 | >530 N/ mm2 | >15% | >85HB |
Production Process:
- Pretreatment : Acid cleaning- Parkerizing
- Cold drawn/cold rolled
- Annealing furnace—— stress-relieving (+SR)
- Straightener—— Straightening/ Leveling
- Straightness inspecting
- Dimension inspecting
- Sawing&Lathe
- Surface Polishing
Can do SRB (inner Surface dealing)
Application:
hydraulic cylinder tube st52 din2391 widely used in hydraulic system with precision steel tube, injection molding machine with precision steel tube, hydraulic press with precision steel tube, shipbuilding with steel tube, EVA foaming, hydraulic machinery, hydraulic cutting machine, shoe making machinery, hydraulic equipment, high pressure tubing, hydraulic tubing, card sets of joints, pipe joints, rubber machinery, forging machinery, casting machinery, engineering machinery, automotive high pressure steel pipe concrete pump, sanitation vehicle, automobile industry, shipbuilding industry, metal processing, military industry, diesel engine, the internal combustion engine, air compressor, construction machinery, forestrymachinery, etc.
1.Are you a trading company or manufacturer?
We are the professional manufacturer of precision seamless steel pipe since the year 1992.
2. How can I get the price?
We usually quote within 24 hours after we get your inquiry by telling us the material, out diameter,
wall thickness length, quantity and application of the steel pipe which you need.
If you are very urgent to get the price.
please inform us in email so that we will regard your inquiry priority.
3. How can I get a sample to check your quality?
After price confirmation, you can require for samples to check our quality. we will provide you
the sample for free, however we could only make sure the same material, the dimension will be
much similar as your request but not same.
And customer should afford the charge of shipment.
4. What about the lead time for mass production?
Honestly, it depends on the order quantity and the season you place the order.
if normal order 25-30days.
5. What is your terms of delivery?
We accept FOB CIF EXW CFR.
1. 24hours service via phone ,wechat alibaba trade manager.
2. Good package and best container method.
3. Professional explanation with professional online service
4. Factory manufacturer can assure the best quality.
5. Good delivery time as 15-30 days .
6. 3 years product assurance after usuage.
7. Good quality process in our own factory,
each lot tube have their own 5 years'life card.
we always do our best to make deal with any clients, welcome to inquiry at any time!
Contact Us
- Xinpeng Steel Pipe Co., Ltd.
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